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Are we undertreating rectal cancer in the elderly? An epidemiologic study
George J Chang1, John M Skibber, Barry W Feig
1Department of Surgical Oncology, University of Texas, M.D. Anderson, Cancer Center, Houston, TX 77030, USA. gchang@mdanderson.org
Annals of Surgery
|August 2, 2007
Summary
Elderly rectal cancer patients face poorer survival due to less aggressive treatments and earlier disease stages. Further research into these disparities can improve outcomes for older adults.
Area of Science:
- Oncology
- Epidemiology
- Geriatric Medicine
Background:
- Rectal cancer incidence rises with age.
- Curative radical surgery is possible for localized disease.
- Older patients exhibit reduced survival rates.
Purpose of the Study:
- To investigate age-related differences in rectal cancer treatment and survival.
- To understand factors contributing to decreased survival in elderly patients.
Main Methods:
- Analysis of 21,390 localized rectal adenocarcinoma patients from the SEER database (1991-2002).
- Evaluation of cancer-specific survival using univariate and multivariate regression.
- Assessment of age, sex, surgery type, tumor grade, lymph node status, and radiotherapy use.
Main Results:
- Aged patients (≥70 years) showed a 37% increased risk of mortality per half-decade increase.
- Older patients received less cancer-directed surgery, more local excision, and less radiotherapy.
- Age remained a significant predictor of mortality in multivariate analysis (31% increase per half-decade).
Conclusions:
- Elderly rectal cancer patients have lower survival rates.
- Reduced survival is linked to less aggressive treatment and earlier disease presentation.
- Investigating treatment differences is crucial for improving elderly patient outcomes.
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